Lepidoptera (/ Ë l É p Éª Ë d É p t Ér É / lep-i-DOP-tÉr-É) is an order of insects that includes butterflies and moths (both are called lepidopterans). About 180,000 species of the Lepidoptera are described, in 126 families and 46 superfamilies, 10% of the total described species of living organisms.
Skin Tension Lines and how to get it. 1  Skin Tension Lines (STLs) are series of lines based on the direction of tension as this relaxed skin tension lines run perpendicular to the underlying muscles contraction. For best results and aesthetic outcome, place skin incisions along skin tension lines.
The L4-L5 disc, in between the L4 and L5 vertebrae, can herniate or degenerate, leading to possible leg pain (sciatica) and/or lower back pain; The two joints called facet joints (or zygapophyseal joints), which connect to the L4 and L5 vertebrae in the back of the spine, can allow abnormal amount of motion and/or develop osteoarthritis